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Notorious Royal Navy 'Frankenstein' Killer Given Additional 22 Years for Historic Sex Offenses

2026-11-06 13:17 · source: The Sun · lang: en

Allan Grimson, a double murderer previously dubbed the ‘Frankenstein’ killer for butchering sailors in the late 1990s, has been sentenced to an additional 22 years in prison following convictions for a series of historical sexual offenses. The latest legal proceedings against the former Royal Navy sailor shed light on a broader pattern of predatory behavior spanning multiple decades.

Grimson was already serving a life sentence for the murders of naval rating Gareth Twist and Mauritian tourist Ramoo Maharaj when detectives uncovered evidence linking him to numerous non-recent sexual assaults. The recent court hearings in Portsmouth and Tyne and Wear detailed a series of offenses committed against four male victims, including men and a young boy, stretching back to his time serving in the armed forces.

Investigating officers from the Hampshire and Isle of Wight Constabulary praised the courage of the survivors who came forward decades later to ensure that justice was served. Police officials noted that the thorough historical review of Grimson’s past actions was critical in building a comprehensive case that ultimately ensured he would face parole restrictions for a significantly extended period.

The presiding judge underscored the severity of the historical offenses, noting that the additional prison time ensures the dangerous offender will remain behind bars for the foreseeable future. The case has also prompted renewed discussions within military and law enforcement circles regarding the handling of historic abuse investigations and the importance of supporting victims who report crimes long after they occurred.

Sources: The Sun, Sky News, Hampshire and Isle of Wight Constabulary, Daily Echo, Portsmouth News


Aggregated summary. Original: The Sun